* {
    font-family: 'Microsoft Yahei' ! important;
    ;
}

html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
time,
mark,
audio,
video {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0
}

html,
body,
form,
fieldset,
p,
div,
h1,
h2,
h3,
h4,
h5,
h6 {
    -webkit-text-size-adjust: none;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    display: block;
}

body {
    font-family: 'Verdana', 'Microsoft Yahei', '\u5FAE\u8F6F\u96C5\u9ED1', '\u5B8B\u4F53', 'SimSun';
    -webkit-text-size-adjust: none;
    color: #333333;
    -webkit-text-size-adjust: none;
    font-size: 14px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
    font-weight: normal
}

form {
    display: inline
}

textarea {
    resize: none
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

ul,
ol {
    list-style: none
}

input,
select,
button {
    font-family: 'Verdana', 'Microsoft Yahei', '\u5FAE\u8F6F\u96C5\u9ED1', '\u5B8B\u4F53', 'SimSun';
    font-size: 100%;
    vertical-align: middle;
    outline: none;
    border: none;
}

button,
input[type="button"],
input[type="reset"],
input[type="submit"] {
    cursor: pointer;
    -webkit-appearance: button;
    -moz-appearance: button
}

input:focus:-moz-placeholder,
input:focus::-webkit-input-placeholder {
    color: transparent
}

button::-moz-focus-inner,
input::-moz-focus-inner {
    padding: 0;
    border: 0
}

a,
a:visited {
    color: #333333;
    text-decoration: none;
    vertical-align: baseline;
    background: transparent;
}

a:hover,
a:active,
a:focus {
    color: #FF3333;
    text-decoration: none;
}

img {
    display: block;
    vertical-align: middle;
    border: 0;
    -ms-interpolation-mode: bicubic;
}

/* 首页 */
.foucs_box{
    width: 100%;
    height: 1080;
    overflow: hidden;
}

.foucs_box .bd img{
    width: 100%;
    min-width: 1280px;
}

.box_cnt{
    width: 100%;
    min-width: 1280px;
    background-color: #fefefe;
}
.m_nav{
    width: 1280px;
    height: 765px;
    margin: 0 auto;
}
.m_nav::after{
    clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden;
}
.m_nav .nav_l{
    float: left;
    width: 160px;
    text-align: center;
    margin: 210px 120px;
}
.m_nav .nav_c{
    float: left;
    width: 240px;
    text-align: center;
    margin: 210px 110px;
}

.m_nav .nav_r{
    float: left;
    width: 240px;
    text-align: center;
    margin: 210px 80px;

}
.m_nav>div img{
    width: 160px;
    height: 160px;
    margin: 20px auto 30px;
}
.m_nav>div h4{
    font-size: 24px;
    color: #040404;
    margin: 20px 0;
    font-weight: bold;
}
.m_nav>div span{
    display: block;
    width: 100%;
    line-height: 40px;
    font-size: 18px;
    color: #000000;
}
.m_us{
    width: 1280px;
    height: 790px;
    margin: 0 auto;
}
.m_us>img{
    float: left;
    width: 600px;
    height: 610px;
}
.m_us p{
    width: 640px;
    float: left;
}
.m_us p img{
    width: 100%;
    margin-bottom: 16px;
}
.m_us p span{
    display: block;
    font-size: 28px;
    padding-left:40px; 
    line-height: 38px;
    /* 字体是什么 */
}
.m_show{
    height: 920px;
    background-color: #e8e8e8;
    overflow: hidden;
}
.m_show_title{
    display: block;
    width: 440px;
    height: 120px;
    text-align: center;
    line-height: 120px;
    font-size: 56px;
    color: #181715;
    font-weight: bold;
    margin: 88px auto;
    border-top: 4px solid #2f2f2f;
    border-bottom: 4px solid #2f2f2f;
}
.m_show_more::after{
    clear: both;
    content: ".";
    display: block;
    height: 0;
    visibility: hidden;
}
.m_show_more{
    width: 1280px;
    margin: 0 auto;
}
.m_show_more p{
    float: left;
    width: 400px;
    margin-left: 20px; 
}
.m_show_more p img{
    width: 400px;
    height: 400px;
}
.m_show_more p a{
    display: block;
    width: 200px;
    height: 56px;
    line-height: 56px;
    font-size: 26px;
    text-align: center;
    background-color: #161513;
    color: #fefefe;
    margin: 40px auto;
}
.m_product{
    width: 1280px;
    height: 1070px;
    margin: 0 auto;
}
.m_product>img{
    display: block;
    margin: 120px auto 50px;
    
}
.m_product_foucs{
    position: relative;
    height: 610px;
}
.m_product_foucs .prev,.m_product_foucs .next{
    position: absolute;
    width: 30px;
    height: 90px;
    background-color: red;
    top: 50%;
    margin-top: -45px;
}
.m_product_foucs .prev {
    left: 30px;
}
.m_product_foucs .next {
    right: 30px;
}
.m_product_foucs .bd img{
    float: left;
    width: 426px;
}
.m_choose{
    position: relative;
    width: 100%;
    min-width: 1280px;
    margin: auto;
    clear: both;
    overflow: hidden;
}
.m_choose img{
    width: 100%;
}
.m_choose_cnt{
    position: absolute;
    width: 78.125%;
    min-width: 1000px;
    left: 50%;
    margin-left: -500px;
    top: 24%;
}
.m_choose_cnt p{
    font-size: 22px;
    line-height: 78px;
    color: #fefefe;
}
@media screen and (max-width: 1580px) {
    .m_choose_cnt p {
        line-height: 64px;
    }
}
@media screen and (max-width: 1380px) {
    .m_choose_cnt p {
        line-height: 50px;
    }
}
.m_footer{
    width: 100%;
    height: 440px;
    background-color: #2f2f2f;
}
.m_footer ul{
    width: 1280px;
    margin: 0 auto;
    overflow: hidden;
}
.m_footer ul li{
    float: left;
    width: 426px;
    margin-top: 90px;
}
.footer_l h4{
    font-size: 34px;
    color: #fefefe;
}
.footer_l a{
    display: block;
    font-size: 20px;
    color: #fefefe;
    margin-top: 20px;
}
.footer_c span{
    display: inline-block;
    width: 178px;
    color: #fefefe;
    text-align: center;
    font-size: 22px;
    margin-left: 20px;
    margin-top: 30px;
}
.footer_c span img{
    width: 178px;
    height: 178px;
    margin-bottom: 20px;  
}
.footer_r h4{
    font-size: 34px;
    color: #fefefe;
    margin-top: 30px;
    margin-left: 60px;
}
.footer_r span{
    display: block;
    font-size: 20px;
    color: #fefefe;
    margin-top: 30px;
    margin-left: 60px;
}
.footer_r .col{
    display: block;
    font-style: normal;
    text-align: right;
    line-height: 50px;
    margin-right: 40px;
}